Wind resistance measures each window"s ability to keep out drafts with 25 and 50 mph winds an an outdoor temperatures of 70º F. The Pella Lifestyle Series is part of the Replacement Windows test ...

Our editors also may be in touch with follow-up questions. Pella is a longstanding manufacturer of windows and doors in North America. Based on our research, we awarded Pella a score of 4.4 out of ...

Glow discharge treatment of TEM grids removes adsorbed hydro carbons, cleaning them while making them hydrophilic. The PELCO easiGlow™ is an affordable and easy to operate glow discharge system ...